diff --git a/README.md b/README.md
index 32d850a4..dbca12e5 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 <h3 align="center" style="margin:30px 0 30px;font-weight:bold;font-size:30px;">快速开发平台 - Spring Boot</h3>
 <p align="center">
  <a href="https://jeesite.com/docs/upgrade/" target="__blank"><img alt="JeeSite-V4.3" src="https://img.shields.io/badge/JeeSite-V4.3-success.svg"></a>
- <a href="https://jeesite.com/docs/feature/" target="__blank"><img alt="SpringBoot-2.5" src="https://img.shields.io/badge/SpringBoot-2.5-blue.svg"></a>
+ <a href="https://spring.io/projects/spring-boot#learn" target="__blank"><img alt="SpringBoot-2.5" src="https://img.shields.io/badge/SpringBoot-2.5-blue.svg"></a>
  <a href="https://gitee.com/thinkgem/jeesite4/stargazers" target="__blank"><img alt="star" src="https://gitee.com/thinkgem/jeesite4/badge/star.svg?theme=dark"></a>
  <a href="https://gitee.com/thinkgem/jeesite4/members" target="__blank"><img alt="fork" src="https://gitee.com/thinkgem/jeesite4/badge/fork.svg?theme=dark"></a>
 </p>
diff --git a/parent/pom.xml b/parent/pom.xml
index f5d36521..a676bea1 100644
--- a/parent/pom.xml
+++ b/parent/pom.xml
@@ -53,6 +53,7 @@
 		<j2cache.version>2.8.0-release</j2cache.version>
 		<beetl.version>3.3-SNAPSHOT</beetl.version>
 		<swagger.version>1.6.0</swagger.version>
+		<log4j2.version>2.16.0</log4j2.version>
 		
 		<!-- jdbc setting -->
 		<!-- <mysql.version>5.1.47</mysql.version> -->